JP6290273B2 - Dynamic reporting scheme for location-based services - Google Patents

Dynamic reporting scheme for location-based services Download PDF

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JP6290273B2
JP6290273B2 JP2016019818A JP2016019818A JP6290273B2 JP 6290273 B2 JP6290273 B2 JP 6290273B2 JP 2016019818 A JP2016019818 A JP 2016019818A JP 2016019818 A JP2016019818 A JP 2016019818A JP 6290273 B2 JP6290273 B2 JP 6290273B2
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report
location
reporting
selected
mobile station
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JP2016129357A (en
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クリストファー・ジョン・バービル
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クゥアルコム・インコーポレイテッドQualcomm Incorporated
クゥアルコム・インコーポレイテッドQualcomm Incorporated
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in preceding groups G01C1/00-G01C19/00
    • G01C21/26Navigation; Navigational instruments not provided for in preceding groups G01C1/00-G01C19/00 specially adapted for navigation in a road network
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009Transmission of position information to remote stations
    • G01S5/0018Transmission from mobile station to base station
    • G01S5/0027Transmission from mobile station to base station of actual mobile position, i.e. position determined on mobile
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network-specific arrangements or communication protocols supporting networked applications
    • H04L67/18Network-specific arrangements or communication protocols supporting networked applications in which the network application is adapted for the location of the user terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • H04W4/029Location-based management or tracking services

Description

  The field generally relates to wireless location. In particular, the field relates to a dynamic reporting scheme for location reports.

  It is not uncommon for wireless devices to include location capabilities. The wireless device may be able to implement the ability to automatically locate the wireless device's geographic location. Automatic location architecture is commonly referred to as mobile based location. Alternatively or additionally, the wireless device may be able to implement the ability to locate the wireless device's geographic location in conjunction with one or more elements in the wireless network with which the wireless device is in communication. Such an enhanced location search architecture is commonly referred to as mobile assisted location search.

  Regardless of the implementation architecture, the proliferation of location-enabled wireless devices enables support for a wide variety of search-based services (LBS). A location-based service refers to an application or service that utilizes the location of a wireless device. Examples of location-based services include, but are not limited to, location tracking, destination mapping, navigation, traffic avoidance, or some other location aware service. Other examples of location based services include location sensitive advertising.

  Location-based services can be hosted by a wireless device or a remote entity, and can utilize information including location information exchanged between the wireless device and the remote entity. Supporting location-based services and exchanging information consumes a portion of the capacity of the wireless channel over which that information is transmitted. The amount of capacity consumed by supporting location-based services is not a problem if the wireless channel is virtually infinite. However, wireless communication systems are typically limited in capacity and do not provide a virtually infinite capacity to support information transfer. In addition, the prevalence of positionable wireless devices and the ability of each wireless device to support a wide variety of location-based services highlights the need to manage information exchanges that support location-based services.

  The amount of information exchanged in support of location-based services needs to balance information bandwidth and wireless resource consumption. Exchanging detailed information can increase the accuracy and effectiveness of certain location-based services at the expense of system resources. Exchanging minimal information potentially sacrifices the relevance of location-based services, but saves system resources. Managing information exchange in a location-based service involves analyzing the trade-off between information exchange and resource consumption.

  A dynamic location reporting scheme and / or a dynamic location logging scheme is described herein. Location reports and / or location logging for mobile devices can be dynamically determined based on one or more reporting constraints and / or logging constraints. These constraints can be based on time, distance, events, operating parameters, operating conditions, or some combination of the above. The constraints that dynamically trigger location reporting can be the same, overlapping, or different from the constraints used to trigger location logging. Report constraints and logging constraints may be selected to provide a more accurate display of the trajectory or path followed by the mobile device.

  Aspects of the invention include a method for dynamic location reporting. The method includes initializing a location report to a central registry over a wireless communication link, determining a mobile station location fix, determining a status of at least one report parameter, the at least one report parameter Start a location report to the central registry based on the status of the report, determine the status of the dynamic report parameter, and set the threshold value for the dependent report parameter based on the status of the dynamic report parameter Including changing.

  Aspects of the invention include a method for dynamic location reporting. The method initializes a location report to a central registry over a wireless communication link, initializes a reference value associated with each of a time report parameter, a distance report parameter, and a course report parameter; Determine the mobile station location fix, at least determine the status of the course report parameters, start a location report to the central registry based on the status of the course report parameters, and based on the status of the course parameters, Resetting a reference value associated with each of the time method parameter and the distance report parameter.

  Aspects of the invention include a dynamic location reporting device. The apparatus includes a location module configured to determine a location fix of the mobile station, and is coupled to the location module and initiates a location report based on the status of at least one report parameter, Combined with this location data manager, which is configured to determine the status of dynamic report parameters and to change the threshold value for subordinate report parameters based on the status of dynamic report parameters And a communication transceiver configured to transmit the location report to the central registry via the wireless channel.

  Aspects of the invention include a dynamic location reporting device. The apparatus initiates a location report to a central registry based on means for determining a location fix of the mobile station, means for determining a status of at least one report parameter, and status of the at least one report parameter. Means for determining a status of a dynamic report parameter, means for changing a threshold value for a dependent report parameter based on the status of the dynamic report parameter, and a wireless communication link And means for sending the location report to the central registry.

  The features, objects, and advantages of embodiments of the present disclosure will become more apparent from the detailed description set forth below when taken in conjunction with the drawings in which like elements have like reference numerals. .

FIG. 3 is a simplified functional diagram illustrating an embodiment of a mobile station in an operating environment. FIG. 2 is a simplified functional diagram illustrating an embodiment of a mobile station. FIG. 4 is a simplified functional diagram illustrating a layered model of location-based service in a mobile station. 6 is a simplified flowchart illustrating an embodiment of a method for dynamic reporting. 6 is a simplified flowchart illustrating an embodiment of a method for determining dynamic report parameters.

  Mobile stations that support location-based service applications can be configured to log location solutions according to location logging parameters, and can report location solutions according to reporting parameters. . These reporting parameters, and the associated reporting process, can be related to logging parameters or independent of logging parameters.

  The mobile station logs a location fix, eg according to a logging parameter that can take into account the amount of information to be stored, an expected estimate of the frequency of updates, and the amount of available memory. It can be configured as follows. For example, the logging parameter may allow all location fixes to be logged on a mobile device that has substantially infinite available memory.

  The mobile station may be configured to report the location fix according to the report parameters. Typically, the report parameter is more restrictive than the logging parameter, so the mobile station reports fewer location fixes that the mobile station logs. The report parameters may not be the same for each location-based service application. Further, the report parameters need not be fixed for any particular location-based service application and can be changed dynamically based on various inputs.

  A mobile station (MS) is a cellular communication device or other wireless communication device, a personal communication system (PCS) device, a personal navigation device (PND), a personal information manager (PIM), a personal digital assistant (PDA), a wireless communication signal And / or refers to a device such as a laptop mobile device or other suitable mobile device capable of receiving navigation signals.

  Also, the term “mobile station” refers to satellite signal reception or assistance data reception by short-range wireless connection, infrared connection, or wired connection, or at the device or at a personal navigation device (PND). It is also intended to include devices that communicate with the PND, such as by other connections, regardless of whether and / or location related processing is performed. In addition, the “mobile station” receives satellite signals or receives assistance data via the Internet, WiFi, or other network, and at a device, server, or another device related to the network. It is intended to include all devices, including wireless communication devices, computers, laptops, etc., that may be able to communicate with the server regardless of whether or not location-related processing is performed. Any operable combination of the devices described above is also considered a “mobile station”.

  The mobile station may be able to determine the geographical location of the mobile station by one or more mobile based search techniques or mobile assisted location techniques. The methods and apparatus described herein are optional using satellites from the United States Global Positioning System (GPS), the Russian Glonass system, the European Galileo system, a combination of satellite systems. Can be used with various satellite positioning systems (SPS), such as any of these systems, or any satellite system that will be developed in the future. Further, the disclosed methods and apparatus can be used with position identification systems that utilize pseudolites, or a combination of satellites and pseudolites.

  A pseudolite is a ground-based transmitter that broadcasts a PN code or other ranging code (similar to a GPS cellular signal or CDMA cellular signal) modulated on an L-band (or other frequency) carrier signal. The carrier signal can be synchronized with a GPS time reference or other SPS time reference. Each such transmitter can be assigned a unique PN code to allow identification by a remote receiver.

  Pseudolites can be useful in situations where SPS signals from orbiting satellites may not be available, such as in tunnels, pits, buildings, urban valleys, or other enclosed areas. Another embodiment of pseudolite is known as a wireless beacon. As used herein, the term “satellite” is intended to include pseudolites, pseudolite equivalents, and the like. As used herein, the term “SPS signal” is intended to include SPS-like signals from pseudolites or equivalents of pseudolites.

  Location-based services deployed at mobile stations can typically use time-based or distance-based reporting (TDR) algorithms as default reporting parameters. In this type of embodiment, the mobile station moves after a predetermined time interval (eg, 1 minute, 2 minutes, etc.) or after the mobile station has moved a predetermined distance (1 mile, 2 miles, etc.). Report the calculated location of the station. TDR-based reporting systems generally work well for roughly tracked vehicles, assets, handsets, etc., but using fixed TDR reporting parameters can be unsatisfactory for some location-based services There is sex. As an example, in supporting a location-based service for location tracking, the mobile station location history may be used to indicate the location of where the turn was made on the trajectory followed.

  Consider an exemplary environment in a city with a “grid” road system where all east-west streets and north-south streets are built with a substantially parallel grid. The mobile station can initially be configured to report location fixes every minute or every mile based on default TDR reporting parameters. The plotted mobile station position is likely to be accurate with respect to history if the mobile station stayed in a particular road segment.

  If a mobile station substantially deviates from a continuous road segment, such as by turning to enter a residential street, turning to exit a main road, detouring, etc. The true position of the station is not recognized until the next pre-planned interval or time or distance has elapsed. A mobile station with dynamic report parameters may be able to augment, change, or replace either the default time report parameter, the distance report parameter, or both, with additional parameters.

  Report parameters may include, for example, time, distance, course, speed, etc., and combinations thereof. Report parameters can be related to each other or irrelevant, and can also be static or dynamic.

  As an example, an intelligent dynamic reporting scheme includes a course as a report parameter. The mobile station examines the course of the mobile station determined from the current location fix and the past location fix, and recognizes when the ground mobile station trajectory performs a turn. In one embodiment, the mobile station may be able to identify course changes by measuring the amount of trajectory change relative to the last few position fixes. The mobile station can determine that a configurable direction angle threshold has been exceeded, and in response, the mobile station can generate and transmit a location report. obtain. The mobile station can then reset or otherwise adjust parameters related to other report parameters. For example, the mobile station may be able to reset the reference time and reference location associated with the TDR parameter.

  FIG. 1 is a simplified functional diagram of an embodiment of a mobile station 110 in an operating environment 100. The mobile station 110 is illustrated as following the path 120 leading to the destination 130. The path 120 may be some predetermined path, but it need not be. For example, if the mobile station 110 implements a navigation unit, the starting location and destination can be input to the mobile station 110, and the mobile station 110 can generate a predetermined route 120. is there. Alternatively, the mobile station 110 may not use the knowledge of the path 120, and instead tracks the path followed by the mobile station 110 without knowledge of the destination 130 or the predetermined path 120. It is possible to operate.

  Although the operating environment 100 is illustrated as having a collection of roads, the dynamic reporting methods and devices described herein are not limited to use along roads or in vehicles. These dynamic reporting methods and devices are also suitable for use in roadless environments. For example, a personal mobile device carried by a pedestrian can implement and use these dynamic reporting methods and dynamic reporting devices.

  The mobile station 110 can follow any number of streets or paths along the route 120 to the destination 130. The route 120 may include, for example, a highway 160-1, a main road 160-2, and a residential street 160-3. The speed of the mobile station, as well as the rapidity of the turn, also called the trajectory change, can vary based on the type of road being followed.

  As an example, a mobile station 110 that follows a route 120 to arrive at a destination 130 may initially be moving on a first portion 122-1 of the route 120 corresponding to the highway 160-1 portion. is there. The speed of the mobile station 110 along the first portion 122-1 can be relatively high, such as about 100 to 150 kilometers per hour. It is unlikely that the mobile station 110 will encounter a sudden turn or trajectory change while following the highway 160-1.

  The mobile station 110 can exit the highway 160-1 and exit to the main road 160-2. The route 120 includes a turn 124-1 that follows the path of the mobile station 110 from the highway 160-1 to the main road 160-2. The speed of the mobile station 110 on the main road 160-2 can vary substantially, but typically does not exceed the speed encountered on the highway 160-1. This speed may drop to zero in some instances when the mobile station 110 encounters a traffic signal.

  The mobile station 110 performs a main road 160 until the mobile station 110 performs another turn 124-2 on the path 120 that causes the mobile station 110 to transition to a residential street 160-3 or some other connecting road. It is possible to proceed on -2. The mobile station 110 can perform any number of further turnings in the path before arriving at the destination 130.

  In addition, the mobile station 110 can encounter any number of altitude points while following the path to the destination. For example, the mobile station 110 encounters multiple level destinations such as multiple level roadways, multiple level parking structures, or multiple level airport departure and arrival terminals. there is a possibility.

  Although FIG. 1 shows a particular path 120 followed by the mobile station 110, it will be apparent that the mobile station 110 may be able to reach the destination 130 by following any number of alternative paths. It is.

  The mobile station 110 can perform a location search, and can generate the location of the mobile station 110 according to a location update rate or otherwise specify the location. The location update rate may be based on, for example, the particular location technique utilized by the mobile station, location hardware embodiments, location algorithms, etc., or some combination of the above. For example, the mobile station 110 can support mobile-based assisted GPS as one location technology as a location solution. The mobile station 110 may be configured to generate a GPS position fix based in part on the sampling and integration time performed in determining the position fix. The mobile station 110 may also perform advanced forward link triangulation (AFLT) techniques, or one or more other location search techniques, to locate the mobile station 110.

  The mobile station 110 may be configured to log or otherwise store all or a subset of the location fixes identified by the one or more location-finding embodiments. The mobile station 110 may, for example, implement one or more logging parameters to control location fix logging.

  The mobile station 110 can also report all or a subset of those location fixes to the remote entity. For example, the mobile station 110 may be configured to report location fixes to the central registry 150 via one or more wireless access points. In the operating environment 100 embodiment shown in FIG. 1, a mobile station 110 can obtain position fixes via one or more base stations 140-1 and 140-n that are part of a wireless communication system, such as a cellular communication system. It is possible to report. A base station, for example 140-1, may serve as a wireless access point that ultimately connects the mobile station 110 to the central registry 150.

  The mobile station 110 can utilize one or more report parameters to determine whether to report a location fix. These reporting parameters and reporting process may be independent or related to the logging process performed locally on the mobile station 110.

  The central registry 150 can act as a repository of location fixes or can provide one or more location-based services. Location-based services can be hosted locally in the central registry 150 or can be hosted remotely from the central registry 150. In embodiments in which the location-based service is hosted remotely from the central registry 150, the communication link may provide the location-based service with access to location fixes in the central registry 150.

  In one example, the central registry 150 can be associated with a central dispatch agency such as emergency services, transportation services, and the like. The mobile station 110 can be local to the emergency vehicle and can report the location of the mobile station 110 to the central registry 150 when the vehicle is dispatched in response to an emergency call. is there. In another example, the central registry 150 can be local to the taxi dispatch center, and the mobile station 110 can be local to each taxi. The mobile station 110 can report a location fix for the taxi corresponding to the mobile station 110 continuously or after dispatch, or when the fare is active.

  In another embodiment, the central registry 150 may be able to operate as an information server for location-based services or in conjunction with such an information server. Location-based services authorized to access the central registry 150 may be able to utilize various reported location fixes that support those services. For example, the mobile station 110 can be a wireless phone that hosts a location-based service that provides tracking of peer devices in a predefined group. The mobile station 110 can report the location of the mobile station 110 to the central registry 150 and can further access the central registry 150 to identify location fixes for various peer devices. Similarly, a location-based advertising service is reported to the central registry 150 and accesses the location fix stored in the registry 150 to identify the ID of the mobile station 110 to which the location aware advertisement is pushed. Is possible.

  The location-based service embodiments described herein are provided for purposes of illustrating the types of services that can be supported. These examples are not intended to be exhaustive, but merely exemplify possible alternatives.

  The mobile station 110 can be one of many mobile stations that report location fixes wirelessly. The wireless communication system in which the mobile station 110 reports location fixes is typically a multiple access system where wireless resources are shared among many users.

  Although the mobile station 110 may be considered to report all location fixes, the frequency of reporting may unnecessarily consume wireless resources. However, reporting too little location fix sacrifices location accuracy and further sacrifices the ability to successfully reconstruct the path 120 followed by the mobile station 110.

  The mobile station 110 utilizes the report parameters to control the amount of information transmitted over the wireless link, further balancing the need for location accuracy and the need to conserve wireless resources. These report parameters can be optimized for each location-based service and can be more dynamic and dependent. Report parameters can change during support of a particular location-based service. In addition, associating several report parameters with each other allows changes to one or more report parameters to affect or change dependent report parameters.

  In one example, the mobile station 110 can be initially configured with time-based and distance-based reporting parameters. The LBS application may be configured to utilize a time distance report (TDR) reporting algorithm that uses elapsed time and distance traveled as default parameters for reporting location.

  One or more of the time intervals or distance intervals may be entered by the user or operator of the mobile station 110 or otherwise selected. Alternatively, the reporting algorithm in the mobile station 110 may initialize a default time interval or distance interval as a report parameter. The reporting algorithm can also include turnaround, trajectory change, or course as additional report parameters.

  The mobile station 110 reports location updates to the central registry 150 when the time interval or distance interval elapses. The mobile station 110 detects a turn, such as a turn 124-1, (more precisely, the mobile station 110 identifies a change in the calculated ground trajectory), and there is also such a turn. If a predetermined angular threshold (eg, 45 degrees) is exceeded, an immediate location is calculated or otherwise obtained from storage and further sent to the central registry 150 or some other monitoring service. The reporting algorithm reconfigures the TDR report monitor and the reporting process begins anew. For this reason, including trajectory changes as an additional reporting parameter means that the location is reported to the central registry 150 when a relevant positioning event occurs, regardless of the time interval or distance that has elapsed since the previous reporting event. to be certain.

  Other report parameters may be included and further used to trigger other report events. Further, in addition to or as an alternative to one or more report parameters acting as a trigger mechanism for a report event, the value of one or more parameters of other report parameters Can be used to dynamically change.

  As an example, the speed of the mobile station 110 may be a report parameter. In one embodiment, one or more velocity thresholds can be used as a trigger to report the location of the mobile station 110. In another embodiment, one or more velocity thresholds can be used to change the value of another report parameter. For example, mobile station speed can be used to change the threshold used in time or distance reports. The velocity can be positively correlated or negatively correlated with the time report parameter and the distance report parameter. A lower speed can trigger a shorter time reporting interval and a shorter distance reporting interval. Alternatively, lower speeds can trigger longer time reporting intervals and longer distance reporting intervals.

  The manner in which one report parameter, eg, speed, affects another report parameter, eg, time, can be related to the LBS with which the report parameter is associated. For example, in vehicle tracking scenarios, relatively high speeds can be associated with highway travel, and time and distance intervals can be increased without losing much of the location details. is there. However, in pedestrian tracking scenarios or peer search scenarios, a relatively high speed may make shorter time intervals and shorter distance intervals desirable.

  FIG. 2A is a simplified functional block diagram of an embodiment of a mobile station 110 configured for dynamic location reporting. The mobile station 110 may be, for example, a mobile station illustrated in the operating environment of FIG.

  The mobile station 110 of FIG. 2A is configured to support positioning based on signals from an SPS (Satellite Positioning System) and is further configured to support wireless communication. The mobile station 110 can be, for example, a search-enabled cellular telephone.

  The mobile station 110 includes a communication signal processing path and a positioning signal processing path. The mobile station 110 can also use a communication signal for positioning, such as in the case of AFLT positioning or hybrid GPS positioning. However, for the sake of simplicity, this description is limited to SPS positioning.

  The communication signal processing path includes a communication antenna 202-1 coupled to the communication transceiver 210. Communication transceiver 210 is coupled to baseband processor 212. Baseband processor 212 is coupled to position data manager 240.

  The communication transceiver 210 is configured to receive downlink data and information via a wireless communication downlink and to transmit uplink information and data via a wireless uplink. Downlink information may include, for example, a positioning request, or a location-based service request, a response, or some other information. Similarly, uplink data and information may include locally generated location-based service requests, responses, and location data.

  The baseband processor 212 is configured to process the downlink signals and further route those signals to the location data manager 240 as appropriate. The baseband processor 212 can also receive information from the location data manager 240 and further process the information for transmission by the communication transceiver 210.

  The positioning signal processing path includes a positioning antenna 202-2 coupled to the SPS receiver 220. The output of the SPS receiver 220 is coupled to the location search module 222. The output of the location search module 222 is coupled to the location data manager 240.

  The SPS receiver 220 can be, for example, a GPS receiver, and is further configured to receive signals from a plurality of GPS satellites and calculate a pseudorange to each of the plurality of satellite vehicles. It is possible. The location module 222 can be configured to identify a geographical location, referred to as a location fix, of the mobile station 110 based on pseudoranges at the mobile-based location capable mobile station 110. Alternatively, location module 222 may be configured to communicate pseudorange information to a positioning entity, such as a positioning entity (PDE), when mobile station 110 is configured to perform mobile assisted positioning. . The location module 222 in the mobile assisted embodiment may be configured to communicate pseudorange information to the baseband processor 212 to communicate to the remote positioning entity.

  Further, the location search module 222 may be able to receive location assistance information from the baseband processor 212. For example, a base station providing a service can communicate location assistance information to the mobile station 110 via the communication transceiver 210. Baseband processor 212 may extract location assistance information and communicate this information to location search module 222. The location search module 222 can use this location assistance information when identifying the location fix, or communicate some of this location assistance information to the SPS receiver 220 so that the SPS receiver 220 can It may be possible to assist in processing the received satellite signals.

  Mobile station 110 may also include one or more sensors 230 that may be used in determining the location of the mobile station or in assisting in determining the location of the mobile station. The sensor 230 can include, for example, a magnetometer, accelerometer, altitude sensor, and the like. The mobile station 110 may utilize one or more sensor values to augment or identify the position fix. For example, the position search module 222 may perform some form of dead reckoning to update the position of the mobile station 110 relative to the reference location. The position search module 222 may integrate the accelerometer reading to calculate a velocity offset or a position offset.

  The position search module 222 couples a position fix representing the location of the mobile station 110 to the position data manager 240. The rate at which the position location module 222 updates the position fix is determined based on a number of position processing parameters that may include coherent integration time and non-coherent integration time, sampling period, etc., or a combination of the above. It is possible. In one embodiment, the location search module 222 may be configured to communicate all location fixes to the location data manager 240. In other embodiments, the position location module 222 may be configured to communicate a subset of all position fixes to the position data manager 240. The location data manager 240 can control the rate at which location updates are communicated by the location search module 222.

  The location data manager 240 may include a data logger 242, a memory 244, and a report manager 246. The data logger 242 can be configured to receive a location fix from the location module 222 and selectively log information to the memory 244 based on one or more logging parameters. Is possible.

  The logging parameters can be associated with a particular location-based service application or can be a default value that is independent of the LBS application. In other embodiments, the logging parameters can be related to a particular LBS application, but can also be dependent on parameters specific to the mobile station 110. Such parameters that are local to mobile station 110 may include, for example, available memory 244.

  At the upper limit, data logger 242 selects all position fixes for storage in memory 244. At the lower limit, the data logger 242 does not select any position fix for storage in the memory 244. Most typically, the data logger 242 selects some subset of the position fix for storage in the memory 244.

  Data logger 242 may be able to write position fixes and associated time stamps at fixed locations in memory 244. Alternatively, the data logger 242 may be able to write the position fix and associated time stamp to the memory 244 at a location indirectly identified by a pointer, for example. In another example, the data logger 242 can write position fixes and associated time stamps to certain locations in the stack, and those locations are already consumed in the stack. It can vary based on the amount of storage. In yet another embodiment, the memory 244 can be configured as a circular buffer, and the data logger 242 can also include a position fix and associated time stamp with the next available location in the circular buffer. Can be written on. Other memory 244 configurations may be used, and the process of logging location fixes is not limited to any particular memory configuration.

  Report manager 246 may be able to manage and further control location fix reports based on a set of report parameters. Report manager 246 can receive position fixes from position search module 222, or can manipulate position fixes stored in memory 244 by data logger 242.

  The report manager 246 can also store one or more position fixes in the memory 244, or tag the one or more position fixes stored in the memory. It is possible to identify such positional fixes with or otherwise. Alternatively, report manager 246 may store data or information derived from one or more location fixes in memory 244.

  Report parameters can include, for example, time changes, distance changes, and trajectory changes. Each of the report parameters may include one or more thresholds used by the report manager 246 to determine whether to initiate a location report. The report manager 246 may be able to determine the latest time when the location was reported as the reference time. Report manager 246 can determine whether to report a location update based on this reference time, as well as the elapsed time that can be inherent in report manager 246. Similarly, the report manager 246 can determine the location of the mobile station 110 at the time of the last position update as the reference position. The report manager 246 may be able to compare the latest position fix to the reference position to determine if the report parameter distance threshold has been exceeded. If the distance threshold is exceeded, the report manager 246 initiates a location report. Report manager 246 may also be able to identify a course or trajectory based on two or more position fixes or in combination with one or more sensor readings. Report manager 246 may be able to store a reference course or reference direction for use with trajectory change parameters or turn report parameters.

  A report parameter can also include one or more related report parameters, where a related report parameter is a subordinate report parameter, or at least one other report parameter, referred to as a related report parameter. Refers to parameters that have an effect on As described above, the related parameter may include the mobile station speed. The threshold for the relationship report parameter can be a trigger point for the report event. This threshold can also be a trigger for the change of one or more report parameters that are affected by or otherwise related to the relationship report parameters.

  In some embodiments, “speed” can be a related report parameter, and there can be several speed thresholds. The “time” and “distance” report parameters may be related to the “speed” related report parameters. Each threshold of the “velocity” related report parameter may be associated with a corresponding change in threshold in one or more of the “time” report parameter or the “distance” report parameter.

  As an example, assume that the “speed” related report parameter has a threshold of 100 kilometers per hour. If the mobile station speed is less than 100 kilometers per hour, the “time” threshold and the “distance” threshold may be at the first threshold. When the mobile station speed exceeds 100 kilometers per hour, the report manager 246 changes the “time” threshold and the “distance” threshold to a second threshold different from the first threshold. Is possible. The first “time” threshold may be 1 minute, while the second “time” threshold may be 30 seconds. The first “distance” threshold may be 1 kilometer, while the second “distance” threshold may be 0.5 kilometers. The “speed” related report parameter can also be related to the “course” report parameter or the “trajectory” report parameter. The reporting threshold for deviations in the course can vary from a first threshold such as 45 degrees to a second threshold such as 20 degrees based on speed. Of course, the report threshold need not be positively correlated with the relationship threshold.

  Report manager 246 may be able to initiate a report type location report based on various report parameters. In one embodiment, the report manager 246 may send a single latest location fix when starting a location report. Alternatively, the report manager 246 can initiate different types of location reports based on the report parameters that initiated the location report.

  In one embodiment, whether the report manager 246 sends a report type that reports redundant position fixes, sequential position fixes, a single position fix, and associated data based on the report parameters that initiated the report event. Can be selectively determined. The report manager 246 may also be able to selectively determine whether to push a location fix or request a positive acknowledgment, ACK, based in part on the report parameters that initiated the location report. . The type of report can depend on the LBS application being provided, or can be independent of such an application, and can also depend on the report characteristics or independent of the report characteristics It is.

  By way of example, the report manager 246 only sends a single location report and associated time stamp without requiring an ACK if the report is initiated based on a time report parameter or a distance report parameter. It is possible. Report manager 246 can send a redundant position report or report two or more sequential position fixes if the position report is triggered by a turn. Report manager 246 may send a single position fix and request an ACK for other report parameters.

  The report type initiated by the report manager 246 may include one or more report characteristics that may include, for example, probability of reception, resource load, information importance rating, wireless channel condition, etc., or some combination of the above. It is possible to depend on The report manager 246 can monitor one or more report characteristics and can dynamically change the report type based on the report characteristics.

  The report manager 246 can reset the criteria used by the report parameters when the location report is sent or acknowledged, regardless of the report parameter that initiated the location report. is there. For example, a position report initiated with respect to a turn can cause the report manager 246 to update and further reset the timer and reference positions used in the time and distance reports.

  The location data manager 240 may also include a processor 248 that is shared between the report manager 246 and the data logger 242 to perform one or more of the functions associated with the report manager 246 and the data logger 242. For example, processor 248 may be configured to execute instructions encoded in memory 244 to perform some or all of the functionality of report manager 246 or data logger 242.

  In one embodiment, the report manager 246 is implemented as hardware, encoded in memory and implemented as software executed by the processor 248, or implemented as a combination of hardware and such software. Is done. The report manager 246 can include a device for accessing memory, such as, for example, a direct memory access (DMA) controller, and one or more for storing reference values, report parameter thresholds, etc. Multiple registers, memories, or buffers can be included. The report manager 246 also compares a clock or timer with a position fix, or otherwise processes, one associated with a register or memory to determine the status of one or more report parameters. It is also possible to include a plurality of comparators.

  Data logger 242 may also be implemented as hardware, encoded in memory and implemented as software executed by processor 248, or implemented as some combination of hardware and such software. Is possible. The data logger can simply be a DMA controller, or a DMA controller combined with a clock or timer, one or more comparators, or other hardware that determines that logging parameters are met. It is possible that

  By dynamically changing report parameters, report types, or a combination of report parameters and report types, the mobile station 110 can intelligently manage the reports and thus information relayed to the central registry. Provides a good indication of the path followed while managing the load imposed on the wireless communication system.

  FIG. 2B is a simplified block diagram of a layered model of location-based service application 250 at mobile station 110. The block diagram of FIG. 2B may be an alternative representation of the mobile station shown in FIG. 1 or FIG. 2A.

  Mobile station 110 includes a location-based service application 250 running on an operating system. The operating system can be virtually any type of operating system implemented within mobile station 110. For example, the operating system can be based on a binary runtime environment for wireless (BREW) operating system, a JAVA operating system, or some other proprietary operating system.

  The operating system operates on the hardware layer 260. The hardware layer 260 may include location locating hardware 262 as well as wireless communication hardware 264, for example.

  The elements of the position data manager of FIG. 2A may be implemented in a location-based service application 250, position location hardware 262, wireless communication hardware 264, or some combination of the foregoing.

  In one example, a mobile station 110, such as a wireless handset, can be implemented as a BREW handset with GPS / LBS capabilities. The mobile station 110 may include a location reporting software application loaded as the LBS application 250 on the handset. This application may be configured to send the handset location to a monitoring service over a TCP / IP data connection over a cellular network. These locations can be displayed remotely via the web or other direct access to the monitoring service.

  FIG. 3 is a simplified flowchart of an embodiment of a method 300 for dynamic reporting. The method 300 may be implemented, for example, on the mobile station of FIG. 1 or FIGS.

  Method 300 begins at block 310, where the mobile station determines a transition to an active location report state. The mobile station can transition to an active location report state, for example, when an LBS application is started.

  The mobile station proceeds to block 312 and initializes default report parameters. Default report parameters may include, for example, default time report parameters and distance report parameters. The mobile station can optionally also initialize default logging parameters. In the embodiment shown in FIG. 3, the mobile station logs all location fixes, and thus the initialization of logging parameters is omitted.

  The mobile station proceeds to block 314 where the mobile station locates the mobile station. The mobile station may be able to locate the mobile station using, for example, an SPS location search AFLT, a sensor, etc., or some combination of the above. The mobile station may use mobile based positioning technology or mobile assisted positioning technology.

  After identifying the location of the mobile station, the mobile station proceeds to block 316 and logs the location. In one embodiment, the logging manager receives the position fix and further stores the position fix along with a time stamp in memory.

  The mobile station proceeds to block 318 and reports the position fix. In the embodiment of FIG. 3, the report manager operates to report the initial position fix. In other embodiments, the report manager may utilize several report parameters to determine whether to report the initial position fix. The report manager may also initialize a reference value for the report parameter or otherwise. These reference values may include, for example, a reference time for an initial position fix and a reference location. The reference location can be used, for example, to identify the distance, speed, course, etc. followed.

  The mobile station proceeds to block 320 and updates the location fix. The rate at which the mobile station updates the location fix can be specified by an underlying location application, layer, or hardware that can operate independently of the LBS application.

  The mobile station proceeds to decision block 322, where the mobile station determines whether the position location state is still active. In one embodiment, the LBS application determines whether this state is still active. In another embodiment, the logging manager can determine whether the position location state is still active.

  If the location status is no longer active, such as when the LBS application is terminated, the mobile station proceeds to block 390 where a process of logging and further reporting is performed. If at decision block 322, the mobile station determines that the position location state is still active, the mobile station proceeds to block 324 and logs the updated location.

  The mobile station proceeds to block 330 and identifies the status of one or more report parameters. The report manager accesses one or more report parameters and further determines whether one or more of the report parameters are satisfied.

  The mobile station proceeds to decision block 340 and determines whether to start the report based on the status of the report parameters. If the report parameters are not met, the mobile station returns from decision block 340 to block 320 and updates the location again.

  If, at decision block 340, the mobile station determines that at least one of the report parameters has been met, i.e., the mobile station has determined to initiate a report based on the status of the report parameter, the mobile station Proceed to block 344.

  At block 344, the mobile station generates a location and further reports via the report manager. A report manager can generate a type of report based on the status of one or more report parameters. For example, the report manager may be able to determine whether to generate a single position fix report, a redundant position fix report, a series of position fixes as a report, a position report that requires an acknowledgment, etc.

  After reporting the location, the mobile station proceeds to block 350 and resets or changes the report parameters depending on the status of the report parameters used to initiate the report. For example, when a report manager sends a report, it can reset the time reference value or the distance reference value. Thereafter, the mobile station returns to block 320 to update the position fix.

  FIG. 4 is a simplified flowchart of an embodiment of a method 300 for determining the status of dynamic report parameters. The method 330 may be performed by the mobile station, in particular by the mobile station's report manager, when performing the method of FIG.

  The method 330 begins at block 410 where the report manager identifies the current course of the mobile station. The report manager may be able to identify the current course by identifying directions based on earlier position fixes, for example, as well as earlier position fixes. In another embodiment, the report manager can identify the course from one or more sensors in the mobile station. The sensor can directly identify the course in combination with the direction of travel, such as using an electronic compass. Alternatively, sensor data can be processed to identify the course. For example, acceleration values can be integrated over time to identify course changes.

  The report manager proceeds to block 412 and compares the updated course with a previous course that could be stored as a reference course. The report manager proceeds to decision block 420 to determine if the course has changed. The report manager may be able to identify course changes, for example, by comparing course changes with thresholds associated with course report parameters. The threshold for course change may be, for example, 20 degrees, 30 degrees, 45 degrees, 50 degrees, 60 degrees, or some other value.

  If it is determined that the course change is satisfied, the report manager proceeds to block 422 and sets a flag or otherwise indicates that the course has changed. The report manager proceeds from block 422 to block 430.

  If, at decision block 420, the report manager determines that no course change has occurred, the report manager can proceed to block 430 and avoid block 422. At block 430, the report manager identifies values associated with the next report parameter.

  In the example of FIG. 4, the next report parameter is time. At block 430, the report manager checks the elapsed timer value. Alternatively, the report manager may examine an indicator that can be set by an elapsed timer. The value of the timer or the value at which the timer asserts the indicator can be related to the time interval threshold associated with the time report.

  The report manager proceeds to decision block 440 to determine if the timer has expired or if an indicator has been asserted. The report manager, for example, compares the timer value with a reference time to determine if the difference exceeds a time interval threshold associated with the time report parameter.

  If the timer has expired, the report manager proceeds from decision block 440 to block 442, where the report manager resets or otherwise reinitializes the time and / or indicator. The report manager proceeds to block 444 and sets a flag or indicator associated with the time report parameter.

  The report manager proceeds from block 444 to block 450. If the report manager determines at decision block 440 that the timer has not expired, the report manager proceeds to block 450 and skips blocks 442 and 444.

  At block 450, the report manager proceeds to the next report parameter, which in this example is a distance. The report manager examines the distances that have been taken since the last report event. The report manager may be able to determine the distance, for example, by comparing two position fixes. The report manager may be able to compare the latest position fix to the reference position fix and determine the distance between those position fixes. Alternatively, the report manager may rely on one or more sensors to determine the distance. The report manager may be able to identify the speed and integrate this speed over time to identify the distance. In other embodiments, the report manager may be able to determine the distance traveled using a combination of position fix and sensor data.

  The report manager proceeds to decision block 460 and determines whether the distance followed exceeds the distance threshold. If so, the report manager proceeds to block 462 and sets a flag or indicator associated with the distance report parameter. The report manager proceeds to block 464 and resets or otherwise updates the reference position used in identifying the distance traveled. For example, the report manager may be able to set the reference position to the latest position fix. The report manager proceeds from block 464 to block 470.

  If at decision block 460, the report manager determines that the distance report threshold has not been exceeded or the distance report threshold has not been met otherwise, the report manager proceeds to block 470 and blocks 462 and Fly 464.

  At block 470, the report manager checks the status of the related report parameters. As described above, a relational report parameter can trigger a report event on its own, but it need not do so. Relationship report parameters relate to one or more other dependent or otherwise related report parameters. A change in the status of a related report parameter can result in a change in one or more dependent report parameters. The relationship report parameter can have one or more thresholds. Exceeding each threshold may result in different changes in one or more dependent parameters.

  For example, at block 470, the report manager checks the speed of the mobile station. The time report parameter and the distance report parameter may be related to the speed related report parameter or otherwise related to the speed related report parameter. The report manager may be able to determine the velocity using the position fix and time, using one or more sensor readings, or using a combination of the above.

  The report manager proceeds to decision block 480 and determines whether the rate triggers an update of any of the dependent report parameters. At decision block 480, the report manager determines whether the time threshold or distance threshold should be changed or otherwise updated based on the latest speed estimate.

  If so, the report manager proceeds to block 482 and updates the dependent report parameters. For example, the report manager can set a first time threshold and a first distance threshold for low speeds, such as less than 10 kilometers per hour. The report manager can set a second time threshold and a second distance threshold for intermediate speeds, such as between 10 kilometers per hour and 60 kilometers per hour. The report manager can set a third time threshold and a third distance threshold for high speeds, such as over 60 kilometers per hour. The threshold value and number may vary based on the LBS application. For example, a pedestrian tracking application can utilize a first set of thresholds, whereas an emergency vehicle tracking application can utilize a second set of thresholds. is there.

  After updating the dependent parameter values, the report manager proceeds to block 490 and the method 330 ends. Alternatively, if the report manager does not identify any need to update dependent report parameters, the report manager proceeds to block 490 and method 330 ends.

  A method and apparatus for dynamic location reporting is described herein. These methods and apparatus provide an accurate location report while requiring a minimal amount of resources from the wireless communication system. The mobile station may selectively report the location fix to the central registry of the monitoring service to allow the monitoring service to track the location of the mobile station. These methods and apparatus solve the question: “Where was the mobile station?” Or “Which road did the mobile station actually go to?”. The monitoring service can optionally provide a map-based display. The intelligent and dynamic reporting scheme described herein may be utilized for high value asset tracking, secret police tracking operations, vehicle monitor reproduction prior to an accident, and the like.

  The methods described herein can be implemented by various means depending on the application. For example, these methods can be implemented in hardware, firmware, software, or a combination of the above. For hardware embodiments, the processing unit is one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gates. Implemented within an array (FPGA), processor, controller, microcontroller, microprocessor, electronic device, other electronic unit designed to perform the functions described herein, or combinations thereof Is possible.

  For firmware and / or software embodiments, these methods can be implemented using modules (eg, procedures, functions, etc.) that perform the functions described herein. Any machine-readable medium that materializes instructions can be used in performing the methods described herein. For example, software code can be stored in memory or otherwise encoded and further executed by a processor. The memory can be implemented within the processor or implemented outside the processor. As used herein, the term “memory” refers to any type of long-term, short-term, volatile, non-volatile, or other memory, any particular type of memory, any particular number And any particular type of media in which the memory is stored.

  In one or more exemplary embodiments, the functions described may be implemented in hardware, software, firmware, or a combination of the above. If implemented in software, the functions can be stored on a computer-readable medium as one or more instructions or code. Computer-readable media includes physical computer storage media. Transmission media includes physical transmission media. A storage media may be any available media that can be accessed by a computer. By way of example, and not limitation, such computer readable media can be RAM, ROM, EEPROM®, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage device, or desired program. A disc (as used herein) comprising any other medium that can be used to store code in the form of instructions or data structures and that can also be accessed by a computer. disk) and (disc) include compact disc (CD), laser disc (registered trademark), optical disc, digital versatile disc (DVD), floppy (registered trademark) disc, and Blu-ray (registered trademark) disc, where The disk is usually Whereas reproduce data magnetically, disk (while discs) reproduces data using a laser optically. Combinations of the above media must also be included within the scope of computer-readable media.

  The various steps or operations in the method or process may be performed in the order shown, or may be performed in another order. Alternatively, one or more process or method steps can be omitted, or one or more process or method steps can be added to those methods and steps. Additional steps, blocks, or actions can be added to existing elements at the beginning, end, or in between of the methods and processes.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments without departing from the scope of the disclosure. It is also possible. Thus, this disclosure is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. It is.
Hereinafter, the invention described in the scope of claims of the present application will be appended.
[C1]
A method of dynamic location reporting,
Initializing location reports to a central registry via a wireless communication link;
Identifying the location fix of the mobile station,
Identify the status of at least one report parameter;
Initiating a location report to the central registry based on the status of the at least one report parameter;
Identifying the status of dynamic report parameters, and
Changing a threshold value for a dependent report parameter based on the status of the dynamic report parameter.
[C2]
The method of C1, further comprising resetting a reference value for the first report parameter based on the status of the first report parameter.
[C3]
Identifying the status of the first report parameter; and
The method of C1, further comprising resetting a reference value associated with a different second report parameter based on the status of the first report parameter.
[C4]
The method of C1, further comprising storing the location fix in memory based on at least one logging parameter.
[C5]
The method of C1, wherein identifying the status of at least one report parameter comprises identifying the status of at least one parameter of a time report parameter, a distance report parameter, or a course report parameter.
[C6]
The method of C1, wherein identifying the status of at least one report parameter comprises comparing a value associated with a first report parameter with a reference value for the first report parameter.
[C7]
Starting the location report
Determine the report type, and
The method of C1, comprising sending the location report of the report type to the central registry.
[C8]
The method of C7, wherein determining the report type comprises determining the report type based on the status of the at least one report parameter.
[C9]
The method of C7, wherein determining the report type comprises determining the report type based on an importance rating of information.
[C10]
The method of C7, wherein determining the report type comprises determining the report type based on wireless channel conditions.
[C11]
The method of C1, wherein identifying the status of at least one dynamic report parameter comprises identifying a status of a speed report parameter.
[C12]
The change of C11 according to C11, wherein changing the value of the threshold for the dependent report parameter comprises at least one of changing a time report threshold or changing a distance report threshold. Method.
[C13]
A method of dynamic location reporting,
Initializing location reports to a central registry via a wireless communication link;
Initializing the reference values associated with each of the time report parameters, distance report parameters, and course report parameters;
Identifying the location fix of the mobile station,
Identifying at least the status of the course report parameters;
Initiating a location report to the central registry based on the status of the course report parameters; and
Resetting the reference value associated with each of the time report parameter and the distance report parameter based on the status of the course report parameter.
[C14]
A location module configured to identify a location fix of the mobile station;
Coupled to the location module and starting a location report based on the status of at least one report parameter, identifying a status of the dynamic report parameter, and further based on the status of the dynamic report parameter, A location data manager configured to change threshold values for dependent report parameters;
And a communication transceiver coupled to the location data manager and configured to transmit the location report to a central registry via a wireless channel.
[C15]
A satellite positioning system receiver coupled to the position search module, wherein the position search module identifies the position of the mobile station based in part on a signal received by the SPS receiver. , C14.
[C16]
The apparatus of C14, further comprising at least one positioning sensor, wherein the position search module identifies the position of the mobile station based in part on an output from the at least one positioning sensor.
[C17]
The location data manager
Memory,
The apparatus of C14, comprising: a data logger configured to log a position fix received from the position location module to the memory based on at least one logging parameter.
[C18]
The location data manager identifies the status of the at least one report parameter and further generates the location report based at least in part on one or more location fixes stored in the memory. The apparatus of C17, further comprising a report manager configured for:
[C19]
The apparatus of C14, wherein the location data manager comprises a report manager configured to identify the status of the at least one report parameter and to generate the location report further including at least the location fix.
[C20]
The apparatus of C14, wherein the location data manager is configured to determine a location report type based on the status of the at least one report parameter.
[C21]
The apparatus of C14, wherein the dynamic report parameter comprises a speed report parameter.
[C22]
The apparatus of C14, wherein the dependent report parameters comprise at least one of a time report parameter and a distance report parameter.
[C23]
The apparatus of C14, wherein the communication transceiver is configured to transmit the location report over the wireless channel of a cellular communication system.
[C24]
The apparatus of C14, wherein the communication transceiver is configured to transmit the location report via a TCP / IP data connection.
[C25]
Means for identifying the location fix of the mobile station;
Means for identifying the status of at least one report parameter;
Means for initiating a location report to a central registry based on the status of the at least one report parameter;
A means for identifying the status of dynamic report parameters;
Means for changing a threshold value for a dependent report parameter based on the status of the dynamic report parameter;
Means for transmitting the location report to the central registry via a wireless communication link.
[C26]
Means for identifying the status of the first report parameter;
The apparatus of C25, further comprising means for resetting a reference value associated with a different second report parameter based on the status of the first report parameter.
[C27]
The apparatus of C25, wherein the means for initiating the location report comprises means for determining a report type.
[C28]
The means for determining the report type determines the report type based on at least one of the status of the at least one report parameter, an information importance rating, or a wireless channel condition, to C27. The device described.
[C29]
When executed by a processor, at least one storage device encoded with one or more processor-readable instructions to perform a dynamic location report,
The instructions are
An instruction to identify the location fix of the mobile station;
Instructions for determining the status of at least one report parameter;
Instructions for initiating a location report to a central registry based on the status of the at least one report parameter;
An instruction to determine the status of the dynamic report parameters;
Instructions for changing a threshold value for a dependent report parameter based on the status of the dynamic report parameter;
At least one storage device comprising: instructions for transmitting the location report to the central registry via a wireless communication link.
[C30]
The at least one storage device of C29, wherein the instructions for identifying the status of at least one dynamic report parameter comprise instructions for identifying a status of a speed report parameter.
[C31]
The instruction to change the value of the threshold for the dependent report parameter is at least one of an instruction to change a time report threshold or an instruction to change a distance report threshold At least one storage device according to C30.

Claims (24)

  1. A method of dynamic location reporting,
    Identifying at least one location fix of the mobile device;
    Identify the status of at least one report parameter;
    Initiating reporting of at least one location report based on the status of the at least one report parameter;
    Selecting a report type for the at least one location report, wherein the report type constrains the number of location fixes included in the at least one location report, and the selection of the report type is the at least one Based on the at least one report parameter used to initiate the reporting of one location report;
    Generating the at least one location report according to the selected report type;
    Sending the at least one location report to a central registry via a wireless communication link;
    A method comprising:
  2.   The method of claim 1, wherein the selected report type requires a redundant position fix report.
  3.   The method of claim 1, wherein the selected report type requires a sequential position fix report.
  4.   The method of claim 1, wherein the selected report type requires a single position fix report.
  5.   The method of claim 1, wherein the selected report type requests a request for acknowledgment (ACK).
  6.   The reporting of the at least one location report is initiated by detecting time / distance elapsed from a previous location report, and the report type requires a single location fix without a request for ACK. The method of claim 1, which is selected to do.
  7.   The reporting the at least one location report is initiated by detecting that the mobile device has performed a turn, and the report type is selected to request sequential location fixes. Item 2. The method according to Item 1.
  8. A dynamic position reporting device,
    A location module configured to identify at least one location fix of the mobile device;
    Coupled to the location module and configured to initiate reporting of at least one location report and to select a report type for the at least one location report based on a status of at least one report parameter The location data manager, wherein the report type constrains the number of location fixes included in the at least one location report, and the selection of the report type includes reporting the at least one location report. Based on the at least one report parameter used to start,
    A communication transceiver coupled to the location data manager and configured to transmit the at least one location report via a wireless channel to a central registry;
    An apparatus comprising:
  9. 9. The apparatus of claim 8 , wherein the selected report type requires a redundant position fix report.
  10. The apparatus of claim 8 , wherein the selected report type requires a report of sequential position fixes.
  11. The apparatus of claim 8 , wherein the selected report type requires a single position fix report.
  12. The apparatus of claim 8 , wherein the selected report type requests a request for acknowledgment (ACK).
  13. The reporting of the at least one location report is initiated by detecting time / distance elapsed from a previous location report, and the report type requires a single location fix without a request for ACK. 9. The apparatus of claim 8 , wherein the apparatus is selected to do.
  14. The reporting the at least one location report is initiated by detecting that the mobile device has performed a turn, and the report type is selected to request sequential location fixes. Item 9. The apparatus according to Item 8 .
  15. A dynamic position reporting device,
    Means for identifying at least one location fix of the mobile device;
    Means for identifying the status of at least one report parameter;
    Means for initiating reporting of at least one location report based on the status of the at least one report parameter;
    Means for selecting a report type for the at least one location report, wherein the report type constrains the number of location fixes included in the at least one location report, and the selection of the report type comprises: Based on the at least one report parameter used to initiate the reporting of the at least one location report;
    Means for generating the at least one location report according to the selected report type;
    Means for sending the at least one location report to a central registry via a wireless communication link;
    An apparatus comprising:
  16. The apparatus of claim 15 , wherein the selected report type requires a redundant position fix report.
  17. The apparatus of claim 15 , wherein the selected report type requires a report of sequential position fixes.
  18. The apparatus of claim 15 , wherein the selected report type requires a single position fix report.
  19. The apparatus of claim 15 , wherein the selected report type requests a request for acknowledgment (ACK).
  20. The reporting of the at least one location report is initiated by detecting time / distance elapsed from a previous location report, and the report type requires a single location fix without a request for ACK. The apparatus of claim 15 , which is selected to do.
  21. The reporting the at least one location report is initiated by detecting that the mobile device has performed a turn, and the report type is selected to request sequential location fixes. Item 15. The device according to Item 15 .
  22. At least one storage device encoded with one or more processor readable instructions that, when executed by a processor of a mobile device, performs a dynamic location report, the instructions comprising:
    Instructions identifying at least one position fix of the mobile device;
    An instruction identifying the status of at least one report parameter;
    Instructions to start reporting at least one location report based on the status of the at least one report parameter;
    Instructions for selecting a report type for the at least one location report, wherein the report type constrains the number of location fixes included in the at least one location report; Based on the at least one report parameter used to start reporting one location report;
    Instructions for generating the at least one location report according to the selected report type;
    Instructions to send the at least one location report to a central registry via a wireless communication link;
    At least one storage device.
  23. The reporting of the at least one location report is initiated by detecting time / distance elapsed from a previous location report, and the report type requires a single location fix without a request for ACK. 23. At least one storage device according to claim 22 , which is selected to do.
  24. The reporting the at least one location report is initiated by detecting that the mobile device has performed a turn, and the report type is selected to request sequential location fixes. Item 23. At least one storage device according to Item 22 .
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